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Mosquito swarms shear harden

Reynolds, Andy M.

The European physical journal. E, Soft matter and biological physics, 2023-12, Vol.46 (12), p.126-126, Article 126 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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Título:
Mosquito swarms shear harden
Autor: Reynolds, Andy M.
Assuntos: Airspeed ; Animals ; Anopheles - physiology ; Biological and Medical Physics ; Biophysics ; Chironomidae ; Complex Fluids and Microfluidics ; Complex Systems ; Flight ; Gravitation ; Humans ; Maximum entropy ; Modelling ; Mosquitoes ; Nanotechnology ; Physics ; Physics and Astronomy ; Polymer Sciences ; Regular - Living Systems ; Regular Article - Living Systems ; Sexual Behavior, Animal ; Soft and Granular Matter ; Surfaces and Interfaces ; Swarming ; Thin Films
É parte de: The European physical journal. E, Soft matter and biological physics, 2023-12, Vol.46 (12), p.126-126, Article 126
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Recently Cavagna et al. (Sci Rep 13(1): 8745, 2023) documented the swarming behaviors of laboratory-based Anopheles gambiae mosquitoes. Here key observations from this 3D-video tracking study are reproduced by a minimally structured (maximum entropy) stochastic trajectory model. The modelling shows that in contrast with midge swarms which are a form of collective behavior, unperturbed mosquito swarms are more like collections of individuals that independently circulate around a fixed location. The modelling predicts the observed response Anopheles gambiae mosquitoes in wild swarms to varying wind speeds (Butail et al. in J Med Entomol 50(3): 552–559, 2013). It is shown that this response can be attributed to shear hardening. This is because mosquitoes are found to be attracted to the centre of the swarm by an effective force that increases with increasing flight speed. Mosquitoes can therefore better resist the influence of environmental disturbances by increasing their flight speeds. This contrasts with other emergent mechanical-like properties of swarming which arise accidentally without a change in an individual’s behavior. The new results add to the growing realization that perturbations can drive swarms into more robust states.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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Mosquito swarms shear harden

Reynolds, Andy M.

Berlin/Heidelberg: Springer Berlin Heidelberg

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